Peters



- (No Model.) 2 Sheets-Sheet 1.

B. A.'DOBSON. v

v MACHINE FOR WINDING YARN.

No. 367,966. Pat ented Aug. 9, 1887.

FI'G.IQ

In V6712?! (N0 Model.) .2 Sheets-Sheet 2.

B. A. DOBSON.

MAGHINB FOR WINDING YARN..

N0. 367,966. Patented Aug. 9. 1887.

J7 270272 gym.

UNITED" STATES PATENT OFF CE;

BENJAMIN ALFRED DOBSON, on BOLTON, COUNTY or LANCASTER, ENGLAND.

MACHINE FOR W INDING YARN.

SPECIFICATION forming part of Letters Patent No. 367,966, dated August 9, 18417.

Application filed October 23, 1886. Scrlal No. 216,995. (No model.) Pat nted in England January 13, 1885, No. 429.

To aZZ whom it may concern:

Be it known that I, BENJAMIN ALFRED DOBSON, a subject of the Queen of Great Britain, residing at Bolton, in the county of Laucaster, England, have invented certain Improvements in Machinery for Winding Yarn, (for which I have obtained a patent in Great Britain, No. 429, bearing date January 13, 1885,) of which the following is a specification.

My invention relates to machines for winding yarn; and it consists, chiefly, in an .improved combination and arrangement'of parts, hereinafter fully described, and particularly pointed out in the claims, my object being to stop the winding automatically when the yarn breaks or fails, to provide improved means for regulating the tension on the threads, and to give greater facilities for piecing up the broken threads.

Reference is to be had to the accompanying drawings, forming a part of this specification, in whic-h' similar letters of reference indicate corresponding parts in both the figures.

- bracket 0 is pivoted one end of the movable c and the brake-block g. Secured to the front end of the spindle g by a screw, '5, is the starting-handle j, which has aprojection, j, engaging with a projection or tail-piece, k, on the oscillating needle-box 7c. ,The needle-box It is free to swing on pivots k in the brackets I,

which are secured to the front rail, m.

n are the needles, and o is the wing or wiper side of the machine.

shaft, revolving in suitable bearings in the brackets Z below the needle-box.

The yarn passes from the cops or bobbins through guides 19 over the first long bar or drag-wire, 1", which is supported on an adjustingscrew, 1", in a slotted bracket, 5, at each The other end of the bracket 8, which is secured to the front rail, m, carries the second long bar or drag-wire, t. The bars r and t both extend the full width of the machine, and the bar t carries a tensionwire, u, for each stop-motion. One such tension-wire u only is shown, the same swinging on the bar t by means of twists or loops in the wire, and being provided with a prolongation, u, connected by a wire,o, to thebrake-block g, to which the wire is secured by a set-screw, w. The bar 1 may be raised or loweredby the adjusting-screws r, and the position of the tension-wires u may be adjusted by means of the wire 1) and the set-screw w so as to alter the relative positions of the three wires r, t, and a and regulate the amount of tension on the yarn, it being obvious that by slackening the screw 10 and moving the wire '1) endwise the position of the wire a relatively to the wires r and 15 will be readily changed. The yarn When a thread breaks its needle it falls and is struck by the revolving wing-shaft 0, which moves the oscillating needle-box 7c and withdraws its tailpiece 70 from under the projection j, thus unlatching the starting-handlej, releasing the spindleg, and allowing the spring h to shoot the spindle and wedge 9 back, thereby raising the intermediate roller 1) out of contact with the driving-drum a, and so stopping the bobbin f. WVhen the brake-block 9 slides, the wire 0, moving with it, causes the tension-wire u toturn up intothe position indicated by dotted lines, Fig. 1, thus bringing the three wires 1*, t, and a into line, or nearly so, and leaving the yarn slack, thereby facilitating the piecing up. fWhen an end is lost the operative raises the bracket 6 and bobbin f sufficiently to allow the knee 6 in the wire 0' to rest upon the bracket 0 and support the braeket c, and thus leave the operative both hands free for piecing the ends of the broken thread. When the spindle g is drawn back by means of the starting-handle j to restart the intermediate roller, 1), the back of the ro ratns herein shown and described, the yarn may pass from the cops or bobbins over a dragboard directly to the detector-needles a, and thence to the bobbin f.

Vhen the needle employed is formed with [5 a knee, as shown in the drawings, the slot in which it is confined is cut at such an angle that with the aid of a plate, a, adjusted in position by a screw-bolt, a", and resting in contaet with the needle, the needle, when sus- 2o pended by the thread, will hang free from con tact with the front and back oi. said slot.

Having stated the nature of my invention and described the manner of performing the same, I declare that what I claim, and desire to secure by Letters Patent of the United States, is-

1. In yarn-winding machines, the combination, with the driving-drum, the bobbin-sup port, and the intermediate roller upon which the bobbin rests, a catch, a brake-block, and

a spring, of an oscillating needle plate or box, the needles therein, through which the threads pass on their way to the bobbin, and a revolving wing or wiper shaft acting on the needle when the threads break to move the needle box or plate and release the catch, thereby allowing the spring to operate the brake-shoe and separate the intermediate roller from the driving-drum, so as to stop the bobbin.

2. The combination, with abobbinsupport, a friction-drum, and an intermediate roller, of the drag apparatus consisting of the two bars or wires 1' and t, the tensionwire a, the wire 0, and the sliding brake-block g, substantially as and for the purpose set forth.

3. The combination, with the movable bracket 0, which carries the bobbin f, of the weighted wire 0, bent at e and a, and the sliding brakebloek g, substantially as and for the purposes described, and as shown.

The foregoing specification of my improvements in machinery for winding yarn signed by me this 1st day of October, 1886.

BEr JAMIN ALFRED DOBSON.

\Vi tnesses:

toenail: Wmnna, Notary Public, Bolton, Lrmcaslrire, England.

It. CECIL WINDER, Soliciior, Bolton, Ltmcashire, England. 

